He isn’t obliged to join such a relationship in the first place though, so he can seek out those that want to split or provide and be islamically A ok, so this isn’t a religious matter your coming at it from the wrong angle
It is a religious matter, considering that the Quraan makes it clear that the husband is the protector and maintainer in Islam. This isn't something that is up for debate as that is literally the biggest right your wife has over you according to islam.